jenlee wrote:When positive integer A is divided by positive integer B, the result is 4.35. Which of the following could be the remainder when A is divided by B?
(A) 13
(B) 14
(C) 15
(D) 16
(E) 17
Another approach:
We're told that A/B = 4.35
In other words, A/B = 435/100
Simplify: A/B = 87/20
87 divided by 20 gives us a remainder of 7. Check the answer choices: 7 is not an option.
Aside: At this point, we may might recognize that if we double 87 and 40, the remainder will also be doubled, to get [spoiler]14 = B[/spoiler] Or, we can continue with our other line of thought . . .
Since 87 divided by 20 didn't yield a remainder found in the answer choices, let's try a fraction that's equivalent to 87/20
How about 174/40?
174 divided by 40 gives us a remainder of 14. Check the answer choices: 14
is an option.
Answer:
B
Cheers,
Brent
